Two pipes can fill a tank in 10 minutes and 12 minutes respectively. A – McqOptions

MCQOPTIONS

1.	Two pipes can fill a tank in 10 minutes and 12 minutes respectively. An evacuation pipe can empty 9 gallons per minute. The three pipes together can fill the tank in 30 minutes. Find the capacity of the tank.
A.	60 gallons
B.	180 gallons
C.	120 gallons
D.	240 gallons
Answer» B. 180 gallons

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